406436434 has 8 divisors (see below), whose sum is σ = 611382780. Its totient is φ = 202642176.

The previous prime is 406436431. The next prime is 406436441. The reversal of 406436434 is 434634604.

It can be written as a sum of positive squares in 2 ways, for example, as 334780209 + 71656225 = 18297^2 + 8465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 406436434.

It is not an unprimeable number, because it can be changed into a prime (406436431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287139 + ... + 288550.

Almost surely, 2^406436434 is an apocalyptic number.

406436434 is a deficient number, since it is larger than the sum of its proper divisors (204946346).

406436434 is a wasteful number, since it uses less digits than its factorization.

406436434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576044.

The product of its (nonzero) digits is 82944, while the sum is 34.

The square root of 406436434 is about 20160.2686986062. The cubic root of 406436434 is about 740.7372941328.

The spelling of 406436434 in words is "four hundred six million, four hundred thirty-six thousand, four hundred thirty-four".